Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6483270 | Method and device for controlling position sensorless motor | Shinichi Miyazaki, Kunio Tabata, Akihito Uetake, Akihiko Ikegami | 2002-11-19 |
| 6483276 | Electronic device with variable chopping signal and duty ratio selection for strong braking | Eisaku Shimizu, Kunio Koike, Hidenori Nakamura, Osamu Takahashi, Shigeyuki Fujimori | 2002-11-19 |
| 6477116 | Rotation controller and rotation control method | Tomio Ikegami, Kunio Koike | 2002-11-05 |
| 6421261 | Power supply apparatus with unidirectional units | Teruhiko Fujisawa, Hiroshi Yabe, Tadao Kadowaki | 2002-07-16 |
| 6421263 | AC voltage detection circuit and method, charging circuit and method, chopper circuit and chopping method, chopper charging circuit and method, electronic apparatus, and timepiece | — | 2002-07-16 |
| 6373789 | Electronically controlled mechanical timepiece and method controlling the same | Kunio Koike, Eisaku Shimizu, Osamu Takahashi | 2002-04-16 |